The stack discount gives you a extra discount when you add more items to your order:
-When ordering 2 products you get a 10% discount on the total amount.
-When ordering 3 or more products, you will receive a 15% discount on the total amount.
WANT TO KNOW HOW MUCH STACK DISCOUNT YOU GET?
When you have found an item that you would like to purchase and you click on the yellow ''order now'' button, a popup will appear showing you the selected product. At the bottom of the popup you will see a message containing the amount of discount you will receive when adding another product .
When you go to the shopping cart you will find the stack discount you get, right under the coupon code.